Synology

Synology SA3410 12-Bay Rackmount NAS (Diskless)

Enterprise-grade NAS delivering 6,200 MB/s sequential read and petabyte-scale expandability for data-intensive production workflows.

$6,835.06*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

The Synology SA3410 is a 12-bay 2U rackmount NAS engineered for organizations where storage performance, scalability, and uptime are operational requirements, not aspirations. Its headline throughput figures — over 6,200 MB/s sequential read and 3,000 MB/s sequential write — aren't marketing ceiling numbers for ideal conditions; they reflect the system's capacity to sustain high-bandwidth I/O across multiple concurrent workloads. For a post-production house streaming multiple 8K timelines, a surveillance deployment writing dozens of simultaneous camera feeds, or an enterprise running parallel database and backup jobs, this is what "fast enough storage" actually looks like. The built-in 10GbE RJ-45 ports match the throughput profile of most current deployments, while PCIe expansion slots leave a clear upgrade path to 25GbE or Fibre Channel as network infrastructure evolves.

Where the SA3410 earns its place in serious infrastructure is in its reliability and growth architecture. The ability to attach up to seven RX1222sas expansion units — scaling from 12 to 96 bays — means the head unit can serve an organization for years without hardware replacement, absorbing storage growth through expansion rather than forklift upgrades. Synology's HA clustering turns two SA3410 units into an active-passive pair with automated failover, and out-of-band management means administrators retain access to the system even during serious OS-level events. DSM's unified interface manages everything from storage pools and snapshots to replication and application services, reducing the operational overhead that typically comes with enterprise-scale NAS deployments. The 5-year warranty rounds out a package designed for environments where the cost of failure far exceeds the cost of the hardware.

Key Features

Efficient handling of data-intensive applications with over 6,200/3,000 MB/s sequential read/write throughput

Attach up to 7 additional Synology RX1222sas Expansion Units for up to 96 drive bays

Leverage built-in 10GbE RJ-45 ports or boost network bandwidth with optional 10/25/40GbE and Fibre Channel adapters

Minimize downtime with Synology High Availability active-passive clustering and out-of-band (OOB management

5-year warranty

Specifications

Brand
Synology
Model
SA3410
Form Factor
2U Rackmount
Drive Bays
12 (diskless)
Max Expandable Bays
96 (with 7× RX1222sas)
Max Raw Capacity
Up to 1.728 PB
Sequential Read
Over 6,200 MB/s
Sequential Write
Over 3,000 MB/s
Network Ports
Built-in 10GbE RJ-45
Optional Networking
10/25/40GbE, Fibre Channel (via PCIe adapters)
High Availability
Active-passive clustering with OOB management
Operating System
Synology DiskStation Manager (DSM)
Warranty
5 years

Pros & Cons

👍 Pros

  • Sequential read throughput exceeding 6,200 MB/s supports simultaneous multi-stream 4K/8K workflows without storage becoming a bottleneck.
  • Expandability to 96 drive bays via RX1222sas units provides a clear, cost-effective path to petabyte-scale storage without replacing the head unit.
  • Built-in 10GbE RJ-45 ports deliver immediate high-bandwidth connectivity, with PCIe slots available for 25/40GbE or Fibre Channel upgrades.
  • Synology HA active-passive clustering with OOB management minimizes planned and unplanned downtime for production-critical deployments.
  • 5-year warranty provides long-term coverage appropriate to the capital investment of enterprise rackmount infrastructure.

👎 Cons

  • The SA3410 ships diskless — drives must be purchased separately, and SAS-compatible drives suitable for this unit's throughput targets add significant cost to the total deployment budget.
  • Active-passive HA clustering requires a second SA3410 unit, roughly doubling hardware spend for organizations that need true redundancy.
  • Maximum micro SD support of 32 GB per slot limits local OS boot media options relative to NVMe-based alternatives in competing platforms.
  • The SA3410's enterprise feature set and physical 2U rackmount form factor are over-engineered for teams that don't require petabyte-scale or HA clustering — simpler Synology models serve smaller workloads at significantly lower cost.
  • PCIe network adapters for 25GbE and above are sold separately and priced accordingly, meaning full-bandwidth deployment requires additional investment beyond the base unit.

Frequently Asked Questions

Those figures represent the SA3410's peak sequential read/write performance across its drive bays and network fabric. In practice, this means multiple simultaneous 4K or 8K video streams, large database queries, and backup jobs can run concurrently without I/O becoming your bottleneck — throughput that would saturate most 10GbE connections.
The SA3410 ships with built-in 10GbE RJ-45 ports. Beyond that, PCIe expansion slots accept optional Synology network adapters for 10/25/40GbE or Fibre Channel, allowing the NAS to grow into higher-bandwidth infrastructure as your environment scales.
Up to 7 Synology RX1222sas expansion units can be attached, bringing the total to 96 drive bays. At maximum capacity with large SAS drives, raw storage can reach 1.728 PB — meaningful scale for post-production archives, surveillance storage, or enterprise backup targets.
Active-passive HA pairs two SA3410 units so that if the active node fails, the passive node takes over with minimal service interruption. Combined with out-of-band (OOB) management, administrators can monitor and intervene on the system even if the primary OS is unresponsive — critical for environments where downtime costs real money.
Yes, the SA3410 runs Synology DiskStation Manager (DSM). DSM provides unified storage management, data protection (snapshots, replication), tiering, and a broad ecosystem of Synology applications — all administered through a web interface without requiring third-party management software.